minix/tests/lib/libc/gen/t_ttyname.c

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/* $NetBSD: t_ttyname.c,v 1.3 2011/05/01 18:14:01 jruoho Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jukka Ruohonen.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: t_ttyname.c,v 1.3 2011/05/01 18:14:01 jruoho Exp $");
#include <atf-c.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static long ttymax = 0;
ATF_TC(ttyname_err);
ATF_TC_HEAD(ttyname_err, tc)
{
atf_tc_set_md_var(tc, "descr", "Test errors in ttyname(3)");
}
ATF_TC_BODY(ttyname_err, tc)
{
int fd;
fd = open("XXX", O_RDONLY);
if (fd < 0) {
errno = 0;
ATF_REQUIRE(isatty(fd) != -1);
ATF_REQUIRE(errno == EBADF);
errno = 0;
ATF_REQUIRE(ttyname(fd) == NULL);
ATF_REQUIRE(errno == EBADF);
}
fd = open("/etc/passwd", O_RDONLY);
if (fd >= 0) {
errno = 0;
ATF_REQUIRE(isatty(fd) != -1);
ATF_REQUIRE(errno == ENOTTY);
errno = 0;
ATF_REQUIRE(ttyname(fd) == NULL);
ATF_REQUIRE(errno == ENOTTY);
}
}
ATF_TC(ttyname_r_err);
ATF_TC_HEAD(ttyname_r_err, tc)
{
atf_tc_set_md_var(tc, "descr", "Test errors in ttyname_r(3)");
}
ATF_TC_BODY(ttyname_r_err, tc)
{
char sbuf[0];
char *buf;
int fd;
int rv;
buf = malloc(ttymax + 1);
if (buf == NULL)
return;
(void)memset(buf, '\0', ttymax + 1);
if (isatty(STDIN_FILENO) != 0) {
rv = ttyname_r(STDIN_FILENO, sbuf, sizeof(sbuf));
ATF_REQUIRE(rv == ERANGE);
}
rv = ttyname_r(-1, buf, ttymax);
ATF_REQUIRE(rv == EBADF);
fd = open("/etc/passwd", O_RDONLY);
if (fd >= 0) {
rv = ttyname_r(fd, buf, ttymax);
ATF_REQUIRE(rv == ENOTTY);
ATF_REQUIRE(close(fd) == 0);
}
free(buf);
}
ATF_TC(ttyname_r_stdin);
ATF_TC_HEAD(ttyname_r_stdin, tc)
{
atf_tc_set_md_var(tc, "descr", "Test ttyname_r(3) with stdin(3)");
}
ATF_TC_BODY(ttyname_r_stdin, tc)
{
const char *str;
char *buf;
int rv;
if (isatty(STDIN_FILENO) == 0)
return;
buf = malloc(ttymax + 1);
if (buf == NULL)
return;
(void)memset(buf, '\0', ttymax + 1);
str = ttyname(STDIN_FILENO);
rv = ttyname_r(STDIN_FILENO, buf, ttymax);
ATF_REQUIRE(rv == 0);
ATF_REQUIRE(str != NULL);
if (strcmp(str, buf) != 0)
atf_tc_fail("ttyname(3) and ttyname_r(3) conflict");
free(buf);
}
ATF_TC(ttyname_stdin);
ATF_TC_HEAD(ttyname_stdin, tc)
{
atf_tc_set_md_var(tc, "descr", "Test ttyname(3) with stdin(3)");
}
ATF_TC_BODY(ttyname_stdin, tc)
{
if (isatty(STDIN_FILENO) != 0)
ATF_REQUIRE(ttyname(STDIN_FILENO) != NULL);
(void)close(STDIN_FILENO);
ATF_REQUIRE(isatty(STDIN_FILENO) != 1);
ATF_REQUIRE(ttyname(STDIN_FILENO) == NULL);
}
ATF_TP_ADD_TCS(tp)
{
ttymax = sysconf(_SC_TTY_NAME_MAX);
ATF_REQUIRE(ttymax >= 0);
ATF_TP_ADD_TC(tp, ttyname_err);
ATF_TP_ADD_TC(tp, ttyname_r_err);
ATF_TP_ADD_TC(tp, ttyname_r_stdin);
ATF_TP_ADD_TC(tp, ttyname_stdin);
return atf_no_error();
}